The Dow Jones Industrial Average fell 4.6%, or 1,175 points, to 24,346. On a percentage basis, the day represented the biggest one-day drop for the blue-chip average since August 2011. It was the biggest one-day point drop ever.

In Canadian corporate news, Aurora Cannabis (ACB.TO) signed a deal to buy a minority stake in Liquor Stores N.A. Ltd., which will sell marijuana.